static unsigned int rptwear = 0;
static unsigned int overridesize = 0;
static char *cache_file = NULL;
+static unsigned int bbt;
module_param(first_id_byte, uint, 0400);
module_param(second_id_byte, uint, 0400);
module_param(rptwear, uint, 0400);
module_param(overridesize, uint, 0400);
module_param(cache_file, charp, 0400);
+module_param(bbt, uint, 0400);
MODULE_PARM_DESC(first_id_byte, "The first byte returned by NAND Flash 'read ID' command (manufacturer ID)");
MODULE_PARM_DESC(second_id_byte, "The second byte returned by NAND Flash 'read ID' command (chip ID)");
"The size is specified in erase blocks and as the exponent of a power of two"
" e.g. 5 means a size of 32 erase blocks");
MODULE_PARM_DESC(cache_file, "File to use to cache nand pages instead of memory");
+MODULE_PARM_DESC(bbt, "0 OOB, 1 BBT with marker in OOB, 2 BBT with marker in data area");
/* The largest possible page size */
#define NS_LARGEST_PAGE_SIZE 4096
*/
static int init_nandsim(struct mtd_info *mtd)
{
- struct nand_chip *chip = (struct nand_chip *)mtd->priv;
- struct nandsim *ns = (struct nandsim *)(chip->priv);
+ struct nand_chip *chip = mtd->priv;
+ struct nandsim *ns = chip->priv;
int i, ret = 0;
uint64_t remains;
uint64_t next_offset;
static u_char ns_nand_read_byte(struct mtd_info *mtd)
{
- struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv;
+ struct nandsim *ns = ((struct nand_chip *)mtd->priv)->priv;
u_char outb = 0x00;
/* Sanity and correctness checks */
static void ns_nand_write_byte(struct mtd_info *mtd, u_char byte)
{
- struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv;
+ struct nandsim *ns = ((struct nand_chip *)mtd->priv)->priv;
/* Sanity and correctness checks */
if (!ns->lines.ce) {
static void ns_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
{
- struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv;
+ struct nandsim *ns = ((struct nand_chip *)mtd->priv)->priv;
/* Check that chip is expecting data input */
if (!(ns->state & STATE_DATAIN_MASK)) {
static void ns_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
{
- struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv;
+ struct nandsim *ns = ((struct nand_chip *)mtd->priv)->priv;
/* Sanity and correctness checks */
if (!ns->lines.ce) {
/* and 'badblocks' parameters to work */
chip->options |= NAND_SKIP_BBTSCAN;
+ switch (bbt) {
+ case 2:
+ chip->options |= NAND_USE_FLASH_BBT_NO_OOB;
+ case 1:
+ chip->options |= NAND_USE_FLASH_BBT;
+ case 0:
+ break;
+ default:
+ NS_ERR("bbt has to be 0..2\n");
+ retval = -EINVAL;
+ goto error;
+ }
/*
* Perform minimum nandsim structure initialization to handle
* the initial ID read command correctly
if ((retval = init_nandsim(nsmtd)) != 0)
goto err_exit;
- if ((retval = parse_badblocks(nand, nsmtd)) != 0)
+ if ((retval = nand_default_bbt(nsmtd)) != 0)
goto err_exit;
- if ((retval = nand_default_bbt(nsmtd)) != 0)
+ if ((retval = parse_badblocks(nand, nsmtd)) != 0)
goto err_exit;
/* Register NAND partitions */
*/
static void __exit ns_cleanup_module(void)
{
- struct nandsim *ns = (struct nandsim *)(((struct nand_chip *)nsmtd->priv)->priv);
+ struct nandsim *ns = ((struct nand_chip *)nsmtd->priv)->priv;
int i;
free_nandsim(ns); /* Free nandsim private resources */